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  <title>Fetch all HTTP request headers</title>

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</div><hr /><div id="function.getallheaders" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">getallheaders</h1>
  <p class="verinfo">(PHP 4, PHP 5)</p><p class="refpurpose"><span class="refname">getallheaders</span> &mdash; <span class="dc-title">Fetch all HTTP request headers</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-function.getallheaders-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="type">array</span> <span class="methodname"><strong>getallheaders</strong></span>
    ( <span class="methodparam">void</span>
   )</div>

  <p class="para rdfs-comment">
   Fetches all HTTP headers from the current request.
  </p>
  <p class="para">
   This function is an alias for <span class="function"><a href="function.apache-request-headers.html" class="function">apache_request_headers()</a></span>.
   Please read the <span class="function"><a href="function.apache-request-headers.html" class="function">apache_request_headers()</a></span>
   documentation for more information on how this function works.
  </p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-function.getallheaders-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   An associative array of all the HTTP headers in the current request, or
   <strong><code>FALSE</code></strong> on failure.
  </p>
 </div>


 <div class="refsect1 changelog" id="refsect1-function.getallheaders-changelog">
  <h3 class="title">更新日志</h3>
  <p class="para">
   <table class="doctable informaltable">
    
     <thead>
      <tr>
       <th>版本</th>
       <th>说明</th>
      </tr>

     </thead>

     <tbody class="tbody">
      <tr>
       <td>5.5.7</td>
       <td>
        This function became available in the CLI server.
       </td>
      </tr>

      <tr>
       <td>5.4.0</td>
       <td>
        This function became available under FastCGI. Previously, it was
        supported only when PHP was installed as an Apache module.
       </td>
      </tr>

      <tr>
       <td>4.3.3</td>
       <td>
        <p class="para">从
PHP 4.3.3 起，也可在 Netscape/iPlanet/SunONE Web 服务器的 
<a href="book.nsapi.html" class="link">NSAPI 服务器模块</a>使用此函数。</p>
       </td>
      </tr>

      <tr>
       <td>4.3.0</td>
       <td>
        Became an alias for <span class="function"><a href="function.apache-request-headers.html" class="function">apache_request_headers()</a></span>.
        Essentially, it was renamed.  This is because this function
        only works with Apache.
       </td>
      </tr>

     </tbody>
    
   </table>

  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-function.getallheaders-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-4661">
    <p><strong>Example #1 <span class="function"><strong>getallheaders()</strong></span> example</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br /></span><span style="color: #007700">foreach&nbsp;(</span><span style="color: #0000BB">getallheaders</span><span style="color: #007700">()&nbsp;as&nbsp;</span><span style="color: #0000BB">$name&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">$value</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #DD0000">"</span><span style="color: #0000BB">$name</span><span style="color: #DD0000">:&nbsp;</span><span style="color: #0000BB">$value</span><span style="color: #DD0000">\n"</span><span style="color: #007700">;<br />}<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 seealso" id="refsect1-function.getallheaders-seealso">
  <h3 class="title">参见</h3>
  <p class="para">
   <ul class="simplelist">
    <li class="member"><span class="function"><a href="function.apache-response-headers.html" class="function" rel="rdfs-seeAlso">apache_response_headers()</a> - Fetch all HTTP response headers</span></li>
   </ul>
  </p>
 </div>

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